You need to mix a solution that is 70% anti-freeze with one that is 30% anti-freeze to obtain 20 l of a mixture that 60% anti-freeze. how many liters of each of the solutions must be used?

What is the prime factorization of 23 ?me with this question

Which must be true in order for the relationship △zyv ~ △xwv to be correct? zy ∥ wx ∠z ≅ ∠y and ∠w ≅ ∠x zv ≅ vy and wv ≅ vx ∠z ≅ ∠x and ∠w ≅ ∠y

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?